Skip to content

Instantly share code, notes, and snippets.

@deshion
deshion / get_options.sh
Last active June 24, 2025 10:00
Parse command line options for a shell script (POSIX)
#!/bin/sh
# POSIX
# Reset all variables that might be set
file=
verbose=0 # Variables to be evaluated as shell arithmetic should be initialized to a default or validated beforehand.
while :; do
case $1 in
-h|-\?|--help) # Call a "show_help" function to display a synopsis, then exit.
@iori-yja
iori-yja / gist:9271860
Created February 28, 2014 14:19
Build cross compiler with newlib.
export PREFIX=/usr/local/$TARGET
export TARGET=arm-none-eabi-newlib
# build binutils
wget http://ftp.gnu.org/gnu/binutils/binutils-2.24.tar.bz2
tar xf binutils-2.24.tar.bz2
mkdir b-binutils
cd b-binutils
../binutils-2.24/configure --prefix=$PREFIX --program-prefix=arm-none-eabi- --target=arm-eabi --enable-lto --enable-interwork --enable-multilib
make -j5